Birdwatch Note Rating
2023-05-12 12:15:17 UTC - SOMEWHAT_HELPFUL
Rated by Participant: AF7009BB80475F4C34CFEF359DE7E3FE9C87D9F0E127ABD3DCD5B0B140C32416
Participant Details
Original Note:
Contrails are line-shaped clouds produced by aircraft engine exhaust miles above Earth's surface. Contrails are composed primarily of water, in the form of ice crystals. This phenomenon is reproducible via many experiments. Contrail properties observed and studied since 1920s https://www.nasa.gov/sites/default/files/atoms/files/contrails_k-12.pdf
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